The crossword solutions for the term 'ETERNALLY, to Poe' are 'EVERMORE' (8 letters) and 'Eer' (3 letters). 'EVERMORE' is a word that has been used by many authors throughout history, but it was popularized by Edgar Allan Poe in his poem 'The Raven'. The word 'Eer' is an archaic term meaning 'FOREVER' or 'ETERNALLY', and it was also used by Poe in his works. Both of these words are associated with Poe and his writing, and they both convey the idea of eternity.